endian_machdep.h revision 1.2
1 1.2 matt /* $NetBSD: endian_machdep.h,v 1.2 2009/12/14 00:46:04 matt Exp $ */ 2 1.1 mycroft 3 1.1 mycroft #ifndef _BYTE_ORDER 4 1.1 mycroft # error Define MIPS target CPU endian-ness in port-specific header file. 5 1.1 mycroft #endif 6 1.1 mycroft 7 1.1 mycroft #ifdef _LOCORE 8 1.1 mycroft 9 1.1 mycroft /* 10 1.1 mycroft * Endian-independent assembly-code aliases for unaligned memory accesses. 11 1.1 mycroft */ 12 1.1 mycroft #if _BYTE_ORDER == _LITTLE_ENDIAN 13 1.1 mycroft # define LWHI lwr 14 1.1 mycroft # define LWLO lwl 15 1.1 mycroft # define SWHI swr 16 1.1 mycroft # define SWLO swl 17 1.2 matt # if SZREG == 4 18 1.2 matt # define REG_LHI lwr 19 1.2 matt # define REG_LLO lwl 20 1.2 matt # define REG_SHI swr 21 1.2 matt # define REG_SLO swl 22 1.2 matt # else 23 1.2 matt # define REG_LHI ldr 24 1.2 matt # define REG_LLO ldl 25 1.2 matt # define REG_SHI sdr 26 1.2 matt # define REG_SLO sdl 27 1.2 matt # endif 28 1.1 mycroft #endif 29 1.1 mycroft 30 1.1 mycroft #if _BYTE_ORDER == _BIG_ENDIAN 31 1.1 mycroft # define LWHI lwl 32 1.1 mycroft # define LWLO lwr 33 1.1 mycroft # define SWHI swl 34 1.1 mycroft # define SWLO swr 35 1.2 matt # if SZREG == 4 36 1.2 matt # define REG_LHI lwl 37 1.2 matt # define REG_LLO lwr 38 1.2 matt # define REG_SHI swl 39 1.2 matt # define REG_SLO swr 40 1.2 matt # else 41 1.2 matt # define REG_LHI ldl 42 1.2 matt # define REG_LLO ldr 43 1.2 matt # define REG_SHI sdl 44 1.2 matt # define REG_SLO sdr 45 1.2 matt # endif 46 1.1 mycroft #endif 47 1.1 mycroft 48 1.1 mycroft #endif /* LOCORE */ 49
Indexes created Sat Sep 27 14:09:57 GMT 2025